IBT Staff Reporter

Teenagers spending more time on social networking sites like Facebook and Twitter are prone to develop narcissistic tendencies, psychological disorders and anti social behaviors, according to a study.

NASA's Mars Exploration Rover Opportunity will revisit the rim of Endeavour crater on Mars, where its rover twin Spirit finished its mission in May.

Selena and Demi had been separated for some time, but from the looks of their interaction on the Teen Choice blue carpet, the love is still there. Selena and Demi may be those childhood best friends who actually stay best friends.

Sunday night, teens across the country were able to watch their favorite stars gather for the Teen Choice Awards in Los Angeles. Stars, from the big screen, singers, models, and TV stars gathered for a night of awards and fierce fashion! Among the cluster of stars were Justin Bieber, Selena Gomez, Demi Lovato, Taylor Lautner, Fergie, Jason Derulo, Rupert Grint, and many, many more!

U.S. auto safety regulators have opened preliminary investigations into new Ford Motor Co Mustangs with manual transmissions for possible shifting problems and diesel Volkswagen Jetta sedans for possible fuel leaks.

Wal-Mart Stores Inc said on Monday that its check and card cashing service would accept more types of checks and take more forms of identification from shoppers in a move aimed at getting them to spend more at the discount chain's stores.

Auto safety regulators have opened preliminary investigations into new Ford Motor Co Mustangs with manual transmissions for possible shifting problems and diesel Volkswagen Jetta sedans for possible fuel leaks.

Stock index futures tracked a sharp drop in global equity markets on Monday after rating agency Standard & Poor's cut the top-tier AAA credit rating of the United States, rattling already-jittery investors.

Selena Gomes turned out to be a big winner at the Teen Choice Awards 2011, taking home five awards ? Choice Actress (for her role in ?Wizards of Waverly Place?), Hottie Female, Music Group (along with her band The Scene), Music Single (for ?Who Says?), and Love Song (for ?Love You Like a Love Song?).

Romelu Lukaku is set to be officially unveiled as Chelsea's third signing this week after he arrived at London on Monday morning to take the medical at Chelsea's training ground at Cobham.

Chinese state media on Monday blamed Washington's huge military spending and global footprint for the crisis that led to the U.S. debt rating downgrade, calling for an end to the foreign domineering dragging down its economy.

Manchester United could soon be making a bid for their top summer target Wesley Sneijder, after the player admitted that Inter Milan could sell him for the right price.

British data-center operator Telecity on Monday said it had bought Dublin-based Data Electronics Group for 87.6 million pounds ($143.5 million) making it the market leader in Ireland.

A shooting incident rocked the small town near Akron, Ohio, after a family argument resulted in a man gunning down seven people, killing an 11-year-old boy.

About 45,000 Verizon Communications workers went on a strike on Sunday, after the company?s negotiation over a new contract with the workers got muddled.

Mitsubishi Heavy Industries' <7011.T> president said his company has no plans to start merger talks with Hitachi <6501.T>, the Mainichi daily reported on Monday, in the first public denial by its top executive.

RWE's future leadership was up in the air on Monday as supervisory board members clashed over who should succeed Chief Executive Juergen Grossmann, two people familiar with the matter said.

Britain and several euro zone countries are likely to have their credit ratings cut in coming months as debt problems worsen, and Western policymakers are bound to embark on more quantitative easing to get their economies moving, American investor Jim Rogers said on Monday.

Moody's Investors Service warned Japan that ineffective currency intervention would be negative for its sovereign ratings and would not help it restore its finances, even as G7 policymakers tried to show solidarity against market turmoil sparked by U.S. and European debt woes.

European governments will increase the size of the EU's emergency rescue fund if need be and are determined to follow through on a plan to contain a debt crisis, French Finance Minister Francois Baroin said on Monday.

London witnessed one of its most appalling riots in years after police fatally shot a black resident. Violence engulfed an economically deprived neighborhood in North London when a small anti-police demonstration snowballed into looting and violence that left 26 police officers injured and led to 55 arrests.

In the guessing game of which Asian sovereign credit will be downgraded next, after the United States this weekend, Japan is almost everyone's top pick, and not simply because its debt burden and messy politics are as bad if not worse than America's.

World stocks racked up more losses on Monday on deep-rooted jitters about the U.S. ratings cut, but signs the European Central Bank was buying Italian and Spanish debt gave some respite to battered bond markets.

In the guessing game of which Asian sovereign credit will be downgraded next, after the United States this weekend, Japan is almost everyone's top pick, and not simply because its debt burden and messy politics are as bad if not worse than America's.

German premium carmaker BMW said unit sales rose 7.6 percent in July, driven by growth in demand from the United States and China.

Several state and local education officials are rebelling against the No Child Left Behind Law, and demanding reforms from student testing mandates, but Congress is yet to take a stand.

Mitsubishi Heavy Industries' <7011.T> president said his company has no plans to start merger talks with Hitachi <6501.T>, the Mainichi daily reported on Monday, in the first public denial by its top executive.

ABC on Sunday said it is ending "Desperate Housewives" when the current, eighth season wraps up in 2012, sending the popular ladies of Wisteria Lane packing into TV history.

The next Apple iPhone rendition, the iPhone 5, will sport speech-recognition feature courtesy of Nuance Technologies.